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NJW1107FC3 Datasheet(PDF) 11 Page - New Japan Radio |
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NJW1107FC3 Datasheet(HTML) 11 Page - New Japan Radio |
11 / 12 page NJW1107 ( 11 / 11 ) C s s s s DATA TIMING PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Signal rise time t1 - - 0.5 Signal fall time t2 0.5 SCK clock width t3 2 SCK “H” pulse width t4 0.8 - - SCK “L” pulse width t5 0.8 - - DATA setup time t6 0.8 - - DATA hold time t7 0.8 - - REQ rise hold time t8 1.6 - - REQ “H” pulse width t9 0.8 - - SCK setup time t10 1.6 - - µs s s s s NOTICE The NJW1107 includes Auto-Reset circuit. The NJW1107 requires both analog power supply (AV CC) and digital power supply (DV DD). Internal digital circuits are initialized by AVCC. The internal reset signal is released after t reset period (0.7sec. < treset < 1.3sec.). • Power-on Sequence 1. Turn the AV CC on first. 2. Provide the DV DD within 0.7 seconds after the AVCC turns on. 3. Keep the voltage of DV DD below the voltage of AVCC always. 4. Wait for 1.3 seconds and over after the AV CC turns on. 5. Transmit the control data from MCU. DATA SCK REQ 2.2V 0.8V 2.2V 0.8V 2.2V 0.8V VDD=5V t1,t2 t6 t7 t4 t1 t2 t5 t3 t8 t9 t10 t1 t2 AVCC DVDD Internal reset signal treset (AVCC>DVDD) automatic reset cancel |
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